import { CurrentUser, Role } from './CurrentUser';
export declare class AuthService {
    generateToken: (role: Role.admin | Role.system | Role.operator, timeExpiry?: number) => Promise<string>;
    renewAccessToken: (userToken: CurrentUser) => Promise<string>;
    getUserByToken: (token: string) => Promise<CurrentUser>;
    private sign;
    private expirationDate;
    hasPermission: (token: string, role: Role, ...roles: Role[]) => Promise<boolean>;
}